Electrically driven artificial arm
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United States of America Patent
Stats
-
Jun 11, 1985
Grant Date -
N/A
app pub date -
Mar 1, 1983
filing date -
Mar 1, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A prosthesis for a person with an amputation above the elbow is provided in which elbow motion is provided by an electrical motor contained within the prothesis. Operation of the motor is controlled by electric impulses from selected opposing muscle pairs on the amputee. The prosthesis is constructed with both internal and external modules which are readily replaceable. An electrically operated lock mechanism is provided for locking the elbow motion of the prosthesis. The locking mechanism is controlled by logic circuitry which in turn operates in response to electric impulses from the pair of muscles on the amputee. Novel means are also included which provide passive wrist movement and humeral rotation of the prosthesis. A removable battery module comprising rechargeable storage cells provides power for the motor and the electrically operated lock mechanism.
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